within a company group. However, the previous literature has rather focused on studying the impact of taxation on patent … employ data on European and US patent and trademark applications in the period of 1996-2012 and estimate a multinomial logit …

for a target increases with the patent stock, the relatedness, the value and the blocking potential of the target …'s patents, especially if blocking patents are in technology fields related to the acquiring firm's patent portfolio. Our results …

or output of a knowledge production function. We suggest that the productivity of research in patent production functions … to patentable knowledge, and development happens after the initial research phase that may have led to a patent. Instead …

model provides an argument that shorter product cycles can induce firms to file more patent applications. The firms may be … trapped in a prisoners' dilemma where all firms would jointly prefer to patent less and to not have a patent thicket. If firms … successful, this may create a patent thicket. The transition into a situation where firms start patenting many ideas instead of …

innovative performance also depends on the size of a firm's patent portfolio, which suggests an important strategic role for …